| Roma to Opole | 5,873.78 mi (9,452.94 km) |
| Roma to Orzesze | 5,923.99 mi (9,533.74 km) |
| Roma to Osowa | 5,736.28 mi (9,231.64 km) |
| Roma to Ostroda | 5,814.98 mi (9,358.31 km) |
| Roma to Ostroleka | 5,893.80 mi (9,485.15 km) |
| Roma to Ostrow Mazowiecka | 5,916.23 mi (9,521.24 km) |
| Roma to Ostrow Wielkopolski | 5,829.18 mi (9,381.16 km) |
| Roma to Ostrowiec Swietokrzyski | 5,981.70 mi (9,626.62 km) |
| Roma to Ostrzeszow | 5,842.81 mi (9,403.09 km) |
| Roma to Oswiecim | 5,945.27 mi (9,567.99 km) |
| Roma to Otwock | 5,925.56 mi (9,536.26 km) |
| Roma to Ozarow Mazowiecki | 5,905.83 mi (9,504.52 km) |
| Roma to Ozimek | 5,883.32 mi (9,468.29 km) |
| Roma to Ozorkow | 5,865.93 mi (9,440.30 km) |
| Roma to Pabianice | 5,882.69 mi (9,467.28 km) |
